linchain-crf-1.tex

{\scriptsize
  \begin{tikzpicture}
    \tikzstyle{xnode}=[rectangle,draw,fill=gray76,minimum size=2em] %
    \tikzstyle{ynode}=[circle,draw,fill=gray76,inner sep=1pt,%
    minimum width=width("MMM"),minimum height=height("MMM")] %
    \tikzstyle{factor}=[rectangle,fill=black,midway,inner sep=0pt,%
    minimum size=0.4em] %
    \tikzstyle{ctxt}=[] %

    \node[ynode] (NON0) at (1, 4) {NON};
    \node[ynode] (SRC0) at (1, 3) {SRC};
    \node[ynode] (TRG0) at (1, 2) {TRG};
    \node[ynode] (SNT0) at (1, 1) {SNT};
    \hyperNodeX{NON0}{SRC0}{TRG0}{SNT0}{w$_1$};

    \node[ynode] (NON1) at (3, 4) {NON};
    \node[ynode] (SRC1) at (3, 3) {SRC};
    \node[ynode] (TRG1) at (3, 2) {TRG};
    \node[ynode] (SNT1) at (3, 1) {SNT};
    \hyperNodeX{NON1}{SRC1}{TRG1}{SNT1}{w$_2$};

    \crfFeaturesX{0/2, 1/3, 2/4}{1}{0};
    %% \node[xnode] (FEAT1) at (2, 0) {};
    %% \node[xnode] (FEAT2) at (3, 0) {};
    %% \node[xnode] (FEAT3) at (4, 0) {};

    %% \path [-] (FEAT1) edge node [factor] {} (SNT1);
    %% \path [-] (FEAT2) edge node [factor] {} (SNT1);
    %% \path [-] (FEAT3) edge node [factor] {} (SNT1);

    \crfEdgesX{1}{0};
    %% \path [-] (SNT0) edge[ctxt] node [factor,ctxt] {} (SNT1);
    %% \path [-] (TRG0) edge[ctxt] node [factor,ctxt] {} (SNT1);
    %% \path [-] (SRC0) edge[ctxt] node [factor,ctxt] {} (SNT1);
    %% \path [-] (NON0) edge[ctxt] node [factor,ctxt] {} (SNT1);
\end{tikzpicture}
}